Finding the Fourth Proportional to 2,688,289.41, 3,709,828.19 and 1,464,591.12
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Solution
The fourth proportional to 2,688,289.41, 3,709,828.19 and 1,464,591.12 is: 2,021,129.64
Step by Step Solution
- Step 1: Write the proportion equation
2,688,289.41 : 3,709,828.19 = 1,464,591.12 : x - Step 2: Convert to fraction form
2,688,289.41/3,709,828.19 = 1,464,591.12/x - Step 3: Cross multiply
2,688,289.41x = 3,709,828.19 × 1,464,591.12 - Step 4: Simplify right side
2,688,289.41x = 5,433,381,416,476.72 - Step 5: Solve for x
x = 5,433,381,416,476.72/2,688,289.41 - Step 6: Final answer
x = 2,021,129.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.